US 2003/0116486 A1Published application

Articulating disc screen apparatus for recyclable materials

AssigneeCP Manufacturing, Inc.

InventorRobert M. Davis

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Abstract

A disc screen apparatus for classifying a stream of mixed recyclable materials of various sizes and shapes, including newspaper, clean mixed paper, magazines, plastic bottles, glass bottles and jars, cans, and the like. The apparatus has an inclined fixed first disc screen section and an inclined articulating second disc screen section whose angle of inclination can be independently adjusted via a hydraulic cylinder or other angular adjustment mechanism in order to improve the separation of newspaper and/or clean mixed paper without impairing the ability of the fixed disc screen section to separate mixed containers. The first and second disc screen sections are supported by first and second frames that carry the parallel driven shafts and discs that form the disc screen sections. The frames have complementary mating surfaces that limit the range of articulation of the second disc screen section.

Claims20

Dependent claims

A recycling apparatus, comprising:

a first frame;
a first disc screen section including a plurality of laterally extending first shafts rotatably mounted in the first frame and spaced along a longitudinal conveying direction, first drive means for rotating the first shafts, and a plurality of first discs mounted on the first shafts, the first discs being dimensioned, configured and spaced for classifying a stream of mixed recyclable materials deposited onto the first discs as the first discs are rotated by the first drive means to convey a first portion of the stream along the conveying direction to an output end of the first disc screen section;
a second frame positioned adjacent to the first frame;
a second disc screen section having an input end immediately adjacent to the output end of the first disc screen section and including a plurality of laterally extending second shafts rotatably mounted in the second frame and spaced along the longitudinal conveying direction, second drive means for rotating the second shafts, and a plurality of second discs mounted on the second shafts, the second discs being dimensioned, configured and spaced for classifying the first portion of the stream of mixed recyclable materials deposited onto the second discs from the first disc screen section as the second discs are rotated by the second drive means to convey a second portion of the stream along the conveying direction;
and
means for selectively adjusting a second angle of inclination of the second disc screen section relative to the first disc screen section without changing a first angle of inclination of the first disc screen section.

3 more elements

Dependencies are inferred from the claim text.